Base | Representation |
---|---|
bin | 110010001001… |
… | …011111100001 |
3 | 220201220000220 |
4 | 302021133201 |
5 | 11331133311 |
6 | 1145433253 |
7 | 216511524 |
oct | 62113741 |
9 | 26656026 |
10 | 13146081 |
11 | 7469933 |
12 | 449b829 |
13 | 2953860 |
14 | 1a62bbb |
15 | 124a206 |
hex | c897e1 |
13146081 has 32 divisors (see below), whose sum is σ = 20173440. Its totient is φ = 7547904.
The previous prime is 13146061. The next prime is 13146103. The reversal of 13146081 is 18064131.
13146081 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.
It is a de Polignac number, because none of the positive numbers 2k-13146081 is a prime.
It is a super-2 number, since 2×131460812 = 345638891317122, which contains 22 as substring.
It is a zygodrome in base 5.
It is not an unprimeable number, because it can be changed into a prime (13146011) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 83655 + ... + 83811.
It is an arithmetic number, because the mean of its divisors is an integer number (630420).
Almost surely, 213146081 is an apocalyptic number.
It is an amenable number.
13146081 is a deficient number, since it is larger than the sum of its proper divisors (7027359).
13146081 is a wasteful number, since it uses less digits than its factorization.
13146081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 305.
The product of its (nonzero) digits is 576, while the sum is 24.
The square root of 13146081 is about 3625.7524736253. The cubic root of 13146081 is about 236.0109218827.
The spelling of 13146081 in words is "thirteen million, one hundred forty-six thousand, eighty-one".
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